API Documentation
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GET
/api/v1/trials-map/hubs/:city/sitesSites
trials-mapAvailable on Free
Returns the trial sites for a hub city, optionally filtered by country, search term, stage, and coordinates. Call it to drill into a city's site locations on the trials map. Returns HTTP 500 with an error message if the drilldown data cannot be fetched.
When to use it
- List trial sites for a hub city
- Drill into a city's sites filtered by country or stage
- Find site locations near a coordinate within a city
Getting started
Base URL
https://app.caelrith.com/api/v1/toolsAuthentication
Include your API key in the x-api-key header.
Rate limit
Every call counts against your workspace’s daily quota for clinicalTrialsApiCallsPerDay. Exceeding it returns HTTP 429.
Plans and daily limits
| Plan | Available | Calls / day |
|---|---|---|
| free | yes | 50 |
| pro | yes | 200 |
| custom (default) | yes | 10,000 |
Plan defaults. A custom workspace may carry per-tenant overrides.
Parameters
Path parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| city(path) | string | Yes |
Query parameters
No parameters.
Example request
curl -H "x-api-key: YOUR_API_KEY" \
"https://app.caelrith.com/api/v1/trials-map/hubs/{city}/sites"Response envelope
Successful responses wrap the payload in a success flag.
{
"success": true,
"data": { /* payload */ },
"meta": { /* pagination, totals */ }
}Catalog version mcp-2026-10-28 · generated from the live MCP catalog